package cn.gdcp.recyclerview;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.ArrayList;

class StuAdapter extends RecyclerView.Adapter<StuViewHolder> {
    private Context context;
    private ArrayList<Student> studentArrayList;

    public StuAdapter(Context context, ArrayList<Student> studentArrayList) {
        this.context = context;
        this.studentArrayList = studentArrayList;
    }

    public void changeData(ArrayList<Student> studentArrayList){
        this.studentArrayList = studentArrayList;
        notifyDataSetChanged();
    }

    @NonNull

    @Override
    public int getItemCount() {
        return studentArrayList.size();
    }

    @Override
    public StuViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, final int i) {
        View view = LayoutInflater.from(context).inflate(
                R.layout.list_item, viewGroup, false
        );

        StuViewHolder viewHolder = new StuViewHolder(view);

        viewHolder.ivDel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                studentArrayList.remove(i);
                notifyDataSetChanged();
            }
        });
        return viewHolder;

    }

    @Override
    public void onBindViewHolder(@NonNull StuViewHolder stuViewHolder, int i) {
        final Student s = studentArrayList.get(i);
        stuViewHolder.headView.setImageResource(s.getImgId());
        stuViewHolder.nameView.setText(s.getName());
        stuViewHolder.ageView.setText(String.valueOf(s.getAge()));

        stuViewHolder.view.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(context, s.getName() + " " + s.getAge(), Toast.LENGTH_SHORT).show();
            }
        });
    }

}
